Properties of Ganister lan Anthracite
ukuran gandum
coarse utawa nggoleki
medium kanggo nggoleki coarse grained
rengat
splintery
conchoidal
porosity
Highly keropos
kurang keropos
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
non-ana
kateguhan
2.6
ora kasedhiya
tartamtu gravitasi
2.2-2.8
1.1-1.4
Kapadhetan
2.2-2.8 g / cm 3
1.25-2.5 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, banyu tahan